Cheapest return flights from Singapore to Kathmandu in September from 308€

AirHint found the following cheapest return flights from Singapore (SIN) to Kathmandu (KTM) in September 2026 (see full year).

Return flights

01 Sep - 10 Sep SriLankan Airlines
23 Sep - 30 Sep SriLankan Airlines
30 Sep - 15 Oct SriLankan Airlines
01 Sep - 08 Sep Thai AirAsia
17 Sep - 23 Sep Thai AirAsia
10 Sep - 23 Sep Thai AirAsia
01 Sep - 08 Sep Singapore Airlines direct
23 Sep - 30 Sep Singapore Airlines direct
10 Sep - 23 Sep Singapore Airlines direct
01 Sep - 10 Sep Singapore Airlines direct
17 Sep - 23 Sep Singapore Airlines direct
30 Sep - 15 Oct Singapore Airlines direct

Also check the deals for one-way flights from Singapore to Kathmandu in September.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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